首页|The Effect of Lignification Process on the Bioconversion Efficiency in Moso Bamboo

The Effect of Lignification Process on the Bioconversion Efficiency in Moso Bamboo

扫码查看
原文链接
  • 国家科技期刊平台
  • NETL
  • NSTL
  • 万方数据
Recalcitrance of lignocellulosic biomass is closely related to the presence of lignin in secondary cell walls, which has a negative effect on enzyme digestibility, biomass-to-biofuels conversion, and chemical pulping. The lignification process and structural heterogeneity of the cell wall for various parts of moso bamboo were investigated.There were slight differences among three different column parts of moso bamboo in terms of chemical compositions, including cellulose, hemicelluloses, and lignin. However, the detailed analysis of the fractionated lignin indicated that the acid-soluble lignin wasfirst biosynthesized, and the largest molecular weight value was detected from the bottom part of the moso bamboo, as well as the highest syringyl-to-guaiacyl ratio. Although the mainβ-O-4 aryl ethers and resinol structures were clearly present in all lignin samples examined by NMR analysis, the relatively small lignin biomacromolecule in the top part of the moso bamboo lead to poor thermal stability. For the bioconversion process, no significant difference was found among all the moso bamboo samples, and the relatively higher hydrolysis efficiency was largely dependent on the low crystallinity of cellulose rather than the degree of lignin biosynthesis.

lignification processenzymatic efficiencymoso bamboobiorefinery

JinSheng Nan、ZunQiang Han、XiaoJuan Yu、Kun Wang

展开 >

College of Materials Science and Technology, Beijing Forestry University, Beijing,100083, China

authors gratefully acknowledge the financial support from the Natural Science Foundation of Chinaauthors gratefully acknowledge the financial support from the Natural Science Foundation of ChinaInnovation Program of College of Materials Science and Technology

31770622

2019

造纸与生物质材料(英文)
中国造纸学会　中国制浆造纸研究院

造纸与生物质材料(英文)

CHSSCD
影响因子：0.082
ISSN：2096-2355
年,卷(期)：2019.4(2)
  • 1
  • 19